Pith Number

pith:ILVI4BFE

pith:2004:ILVI4BFEBTKVVLYKMZVADNW73O

not attested not anchored not stored refs pending

Twistor theory of symplectic manifolds

J. Rawnsley, R. Albuquerque

arxiv:math/0405516 v2 · 2004-05-27 · math.SG · math.CV

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{ILVI4BFEBTKVVLYKMZVADNW73O}

Prints a linked badge after your title and injects PDF metadata. Compiles on arXiv. Learn more · Embed verified badge

Record completeness

1 Bitcoin timestamp

2 Internet Archive

3 Author claim open · sign in to claim

4 Citations open

5 Replications open

✓ Portable graph bundle live · download bundle · merged state

The bundle contains the canonical record plus signed events. A mirror can host it anywhere and recompute the same current state with the deterministic merge algorithm.

Receipt and verification

First computed	2026-05-18T04:06:19.422652Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

42ea8e04a40cd55aaf0a666a01b6dfdbbca57ae73afbb3f323975c1af2864b7c

Aliases

arxiv: math/0405516 · arxiv_version: math/0405516v2 · doi: 10.48550/arxiv.math/0405516 · pith_short_12: ILVI4BFEBTKV · pith_short_16: ILVI4BFEBTKVVLYK · pith_short_8: ILVI4BFE

Agent API

Resolver JSON Graph JSON Events JSON Schema Signing key

Verify this Pith Number yourself

curl -sH 'Accept: application/ld+json' https://pith.science/pith/ILVI4BFEBTKVVLYKMZVADNW73O \
  | jq -c '.canonical_record' \
  | python3 -c "import sys,json,hashlib; b=json.dumps(json.loads(sys.stdin.read()), sort_keys=True, separators=(',',':'), ensure_ascii=False).encode(); print(hashlib.sha256(b).hexdigest())"
# expect: 42ea8e04a40cd55aaf0a666a01b6dfdbbca57ae73afbb3f323975c1af2864b7c

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "c8b07d0c8c0881e00e6be95f88287e5da0840ed06e80bdf82cb4dd70142cc66d",
    "cross_cats_sorted": [
      "math.CV"
    ],
    "license": "",
    "primary_cat": "math.SG",
    "submitted_at": "2004-05-27T02:24:41Z",
    "title_canon_sha256": "765a4dae740d69ea83953d8a13ab1efe9ce641a6d6fa05eec432823e3e867864"
  },
  "schema_version": "1.0",
  "source": {
    "id": "math/0405516",
    "kind": "arxiv",
    "version": 2
  }
}